How does the b horizon receive materials from the layer above?

*through plant root systems
*through earthquake events
*through animals digging into the soil
*through the leaching of materials

What would happen if a plant could carry out photosynthesis, but not respiration? question 1 options: it would have no food. it would have too much water. it would be unable to capture the energy in sunlight. it could make food but not break it down for energy.